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What are the differences between git branch, fork, fetch, merge, rebase and clone?
...cles/git-for-computer-scientists/
A fork isn't a Git concept really, it's more a political/social idea. That is, if some people aren't happy with the way a project is going, they can take the source code and work on it themselves separate from the original developers. That would be considered a f...
Is there a command to refresh environment variables from the command prompt in Windows?
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Java8: Why is it forbidden to define a default method for a method from java.lang.Object
...ght think.
Of course, there's some degree of benefit that would justify more complexity, but in this case it's not there. The methods we're talking about here are equals, hashCode, and toString. These methods are all intrinsically about object state, and it is the class that owns the state, not...
MySQL ON vs USING?
...erence between ON and USING() ? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USING() .
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What is the best way to filter a Java Collection?
...Person.class).getAge(),
greaterThan(16)));
Can you imagine something more readable?
Disclaimer: I am a contributor on lambdaj
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When should a class be Comparable and/or Comparator?
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@mel3kings - Link is no more accessible.
– Gaurav
Nov 17 '18 at 7:15
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Get index of element as child relative to parent
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When to add what indexes in a table in Rails
...ot.
Since Version 5 of rails the index will be created automatically, for more information see here.
Should I add "index" to the automatically created "id" column?
No, this is already done by rails
Should I add "index(unique)" to the automatically created "id" column?
No, same as above
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Why does SIGPIPE exist?
...special it needs its own signal? perhaps the pure filter programs is a lot more common that I imagine.
– Arvid
Aug 28 '15 at 20:34
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...t too with a constructive one, but destructive composition looks nicer and more like a list or a decorator, and the constructive one looks a lot like a tree. And things like backtracking
with constructive functions are just not nice. You can just save the partial functions of a destructive one (dyn...